British standard high carbon silicon-chromium spring steel. Excellent fatigue resistance, high yield strength, and good hardenability. Typically supplied in annealed condition for coiling and forming.
Applications
Coil springs, leaf springs, torsion bars, valve springs, suspension springs, industrial springs requiring high fatigue life.
Equivalent Grades
Grade
Standard
Region
51CrV4
DIN/EN
Europe
AISI 6150
SAE
USA
SUP10
JIS
Japan
SAE5160
SAE
USA
SUP9
JIS G4801
Japan
55Si7
DIN EN 10089
Germany
60Si7
IS
India
IS 11169 Grade 1
IS 11169
India
Active EN47 Wire Rod Coil Listings
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No active EN47 Wire Rod Coil listings at this time.